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Finding the Fourth Proportional to 544,812.20, 817,218.30 and 170,834.60

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Solution

The fourth proportional to 544,812.20, 817,218.30 and 170,834.60 is: 256,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,812.20 : 817,218.30 = 170,834.60 : x
  2. Step 2: Convert to fraction form
    544,812.20/817,218.30 = 170,834.60/x
  3. Step 3: Cross multiply
    544,812.20x = 817,218.30 × 170,834.60
  4. Step 4: Simplify right side
    544,812.20x = 139,609,161,393.18
  5. Step 5: Solve for x
    x = 139,609,161,393.18/544,812.20
  6. Step 6: Final answer
    x = 256,251.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.